{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["entity origin", "member collection", "content container", "message topic", "instrument agency"], "input": "plantar warts are caused by a virus that infects the outer layer of skin on the soles of the feet ."}
{"entity origin": [], "member collection": [], "content container": [], "message topic": [], "instrument agency": []}